烟叶等级质量是烟草行业共同关注的焦点,是工商企业共同发展永恒的话题,其重要性和实际意义日益凸显,同时也已成为湖南烟叶工作的一项长期课题。烟叶等级质量是指某把烟叶或某批烟叶符合《烤烟国家标准》(2635-1992)规定的某个等级的相关品级要素和纯度允差的程度,包括等级合格率和等级纯度(混级程度)等主要指标, The quality of tobacco grade is the common focus of the tobacco industry, is the eternal topic of common development of business, its importance and practical significance has become increasingly prominent, but also has become a long-term topic of Hunan tobacco work. Tobacco leaf quality refers to the quality of a tobacco leaf or a batch of tobacco leaves in line with the “flue-cured tobacco national standards” (2635-1992) provides a level of the relevant grade elements and purity tolerance level, including the level of pass rate and grade purity (degree of mixing ) And other major indicators,